Instead of adding a score equal to the mean (as in Exercise 5.15), add a score of 40 to the data used in Exercise 5.1. How does this score affect the answers to Exercise 5.1?

Exercises 5.1

Calculate the range, the variance, and the standard deviation for data that Katz et al. collected on SAT performance without reading the passage. The data follow

Transcribed Image Text:

54 52 51 50 36 55 44 46 57 44 43 52 38 46 55 34 49 46 49 47 44 39 43 36 55 57 36 46